Solutions by everydaycalculation.com
The simplest form of 3990729 is 1330243.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 7980/1458 1330/243
More fractions: 7980/729 3990/1458 3990/2187 3991/729 3990/7303989/729 3990/728
© everydaycalculation.com